CPD Q&A

The CPD exam is held once a year in the Spring.

Candidates have 3.5 hours to take the 100-question multiple-choice exam. There are no short answer questions.

It is administered at testing centers around the world. It is a computer-based exam. Locate a testing center here. ASPE only hosts our examinations at Pearson Professional Centers, so keep this in mind when narrowing down your search.

No you do not. However, generally active CPDT credential holders score higher on the CPD Examination than their peers who previously never held the CPDT credential.

Results are shared via mail only 6-8 weeks after the exam. Candidates outside the USA and Canada can expect to receive results with in 6-8 weeks after the exam via UPS delivery only.

You can find the two available practice tests online at ASPE Education. Each practice test contains 30 sample questions with explanations to the correct answers.

This page has a list of common questions related to the open book policy for the CPD Examination.

• Plumbing Engineering Design Handbooks Volumes 1, 2, 3 and 4
• Practical Plumbing Engineering
• Domestic Water Heating Design Guide
• Engineered Plumbing Design II
• Plumbing Technology
• CPD Review Manual

There are no formal prep courses or required courses in order to be eligible to sit for the exam. There are review webinars online to aid in your studies.